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Grindstone Running Festival by Utmb

Verona, United States • 18-21 Sep 2025

The Grindstone Running Festival by UTMB is a premier trail running event held in the scenic Shenandoah Valley, Virginia, featuring challenging courses through the George Washington and Jefferson National Forests. Set against stunning fall foliage and mountain views, the festival offers four race distances: 100 miles, 100 kilometers, 50 kilometers, and 21 kilometers. Known as one of the hardest courses on the U.S. East Coast, it includes demanding terrain with high elevation gains, ridges, peaks, and valleys. The event serves as a dual qualifier for the UTMB World Series Finals and the Western States Endurance Run, attracting runners seeking to push their endurance in a breathtaking natural setting. Visit the organization's website for the most recent information.

United States Virginia Verona

Race information

Website
UTMB 20K UTMB 50K UTMB 100K UTMB 100M
160 km
6400 m+
100m
100 km
3350 m+
100k
50 km
1550 m+
50k
21 km
500 m+
21k
Visit the organization's website for the most recent information.
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